Home / 132,158.88-182,530.64-87,038.56

Finding the Fourth Proportional to 132,158.88, 182,530.64 and 87,038.56

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Solution

The fourth proportional to 132,158.88, 182,530.64 and 87,038.56 is: 120,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.88 : 182,530.64 = 87,038.56 : x
  2. Step 2: Convert to fraction form
    132,158.88/182,530.64 = 87,038.56/x
  3. Step 3: Cross multiply
    132,158.88x = 182,530.64 × 87,038.56
  4. Step 4: Simplify right side
    132,158.88x = 15,887,204,061.48
  5. Step 5: Solve for x
    x = 15,887,204,061.48/132,158.88
  6. Step 6: Final answer
    x = 120,212.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.